.commer-header {
    position: relative;
    padding: 5px 0;
    display: flex;
    width: 100%;
    height: 70px;
    background: linear-gradient(to right, #660103 0%, #9a0a06 50%, #660103 100%);
    @media (max-width: 475px) {
        padding: 5px 10px;
        height: 40px;
        justify-content: space-between;
    }
    .header-logo {
        width: 30%;
        display: flex;  
    align-items: center;
    justify-content: center;
        img {
            
            width: 60%;
            @media (max-width: 475px) {
                width: 30%;
                position: absolute;
            z-index: 10;
            left: 30px;
            }
        }
    }

    .header-nav {
        @media (max-width: 475px) {
            display: none;
        }
        width: 50%;
        height: 100%;

        ul {
            display: flex;
            justify-content: space-between;
            width: 100%;
            height: 100%;

            li {
                font-weight: 400;
                height: 100%;
                &.index {
                    a {
                        font-size: 18px;
                    }
                }

                a {
                    display: block;
                    height: 100%;
                    line-height: 60px;
                    color: #fff;
                }
            }
        }
    }
    .input-img{
        width: 5%;
        height: 100%;
        display: flex;  
    align-items: center;
    justify-content: center;
        img{
            width: 50%;
        }
    }
    .header-input {
        display: none;
        z-index: 100;
        position: absolute;
        right: 0;
        top: 50%;
        width: 20%;
        height: 100%;
        padding: 25px 10px;
        @media (max-width: 475px) {
            display: none;
            
        }
        input {
            height: 20px;
            text-align: center;
            font-size: 10px;
            width: 60%;
            border-radius: 999em;
            outline: none;
            border: none;
        }
    }

    .header-button{
        display: none;
        @media (max-width: 475px) {
            display: block;
            width: 8%;
            height: 100%;
            text-align: center;
            border: none;
    outline: none;
    background: transparent;
    color: #000;
    position: absolute;
    z-index: 11;
    right: 10px;
    top: 0px;
        }
        span{
            position: absolute;
            display: block;
            width: 20px;
            height: 2px;
            color: #fff;
            z-index: 1;
            &:nth-child(1){
                width: 30px;
                top: 6px;
            }
            &:nth-child(2){
                width: 30px;
                top: 10px;
            }
            &:nth-child(3){
                width: 30px;
                top: 14px;
            }
        }
    }
    .yc{
        display: none;
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 9;
        background-color: rgba($color: #000 , $alpha: 0.5);
        ul{
            padding: 60px 0;
            display: flex;
            flex-wrap: wrap;
            width: 100%;
            li{
                margin: 0 auto;
                width: 84%;
                height: 40px;
                a{
                    display: block;
                    width: 100%;
                    color: #fff;
                }
            }
        }
    }
}

.commer-banner{
    position: absolute;
    top: 0;
    z-index: -1;
    width: 100%;
    height: 400px;
    img{
        width: 100%;
        height: 100%;
    }
}

.commer-body{
    @media (max-width: 475px) {
        padding: 0;
    }
    margin-top: 300px;
    padding-bottom: 200px;
    width: 100%;
    background-color: #fbfbfd;
    .container{
        @media (max-width: 475px) {
            width: 90%;
        }
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        width: 80%;
        margin: 0 auto;
        .body-left{
            @media (max-width: 475px) {
                display: none;  
            }

            padding-bottom: 20px;
            width: 16%;
            border-radius:  0 0 10px 10px;
            ul{
                position: -webkit-sticky; /* 对于Safari的支持 */
                position: sticky;
                top: 100px; /* 页面滚动多少像素后开始固定 */
                z-index: 1000; /* 确保元素在滚动时位于最上层 */
                /* 其他样式保持不变 */
                width: 100%;
                .title{
                    position: absolute;
                    top: -100px;
                    width: 100%;
                    height: 100px;
                    color: #fff;
                    text-align: center;
                    border-radius: 10px 10px 0 0;
                    background-color: rgba($color: #c90000 , $alpha: 0.7);
                    .nav{
                        height: 100%;
                        display: flex;
                        flex-direction: column;
                        align-content: center;
                        justify-content: center;
                        align-items: center;
                        .main{
                            width: 100%;
                            font-size: 24px;
                        }
                        .main-es{
                            width: 100%;
                            font-size: 12px;
                        
                        }
                    }
                }
                li{
                    border-top: 2px solid #dcdcdc;
                    width: 100%;
                    height: 52px;
                    font-size: 18px;
                    line-height: 52px;
                    text-indent: 1em;
                    background-color: #fff;
                    a{
                        display: block;
                        width: 100%;
                        height: 100%;
                        color: #575757;
                    }
                }
                .index{
                    background-position: 100% 50%;
                    background-size: 40px;
                    background-repeat: no-repeat;
                    background-image: url(../../img/right.png);
                    background-color: #f7f7f7;
                }
            }

        }
        .body-right{
            @media (max-width: 475px) {
                width: 100%;
                border: none;
            }
            padding: 10px 0 0;
            width: 76%;
            background-color: #fff;
            border: 2px solid #dfe0e0;
            .body-nav{
                display: flex;
                flex-wrap: wrap;
                justify-content: space-between;
                border-bottom: 2px solid #f1f1f1;
                width: 100%;
                height: 30px;
                .nav-left{
                    @media (max-width: 475px) {
                        width: 30%;
                    }
                    color: #c90000;
                    width: 10%;
                    height: 100%;
                    border-bottom: 3px solid #c90000;
                    span{
                        display: block;
                        width: 100%;
                        text-align: center;
                        font-weight: 500;
                    }
                }
                .nav-right{
                    @media (max-width: 475px) {
                        width: 58%;
                    }
                    background-image: url(../../img/11.png);
                    background-repeat: no-repeat;
                    background-position: 4% 40%;
                    width: 22%;
                    text-align: center;
                    height: 100%;
                    line-height: 24px;
                    font-size: 12px;
                    a{
                        color: #000;
                    }
                }
            }
            .title{
                justify-content: right;
                display: flex;
                width: 100%;
                height: 30px;
                span{
                    display: block;
                    width: 30px;
                    height: 30px;
                    background-repeat: no-repeat;
                    background-size: 20px;
                    background-position: 50% 50%;
                }
                .one{
                    background-image: url(../../img/one-red.png);
                }
                .two{
                    background-image: url(../../img/two.png);
                }
                .three{
                    background-image: url(../../img/three.png);
                }
            }
            .body-one{
                width: 100%;
                display: block;

                .container-one{
                    display: flex;
                    flex-wrap: wrap;
                    width: 90%;
                    margin: 0 auto;
                    .one-item{
                        &:hover{
                            color: #c90000;
                            .year{
                                background-image: url(../../img/one-red.png);
                            }
                        }
                        margin: 10px 0;
                        display: flex;
                        width: 100%;
                        height: 30px;
                        .icon{
                            width: 2%;
                            height: 100%;
                            line-height: 30px;
                            text-align: center;
                            // font-size: 30px;
                            font-weight: 600;
                            @media (max-width: 475px) {
                                width: 4%;
                            }
                        }
                        .text{
                            @media (max-width: 475px) {
                                width: 74%;
                            }
                            width: 76%;
                            height: 100%;
                            line-height: 30px;
                        }
                        .year{
                            @media (max-width: 475px) {
                                width: 30%;
                                background-position: 0% 50%;
                            }
                            width: 12%;
                            height: 100%;
                            line-height: 30px;
                            text-align: right;
                            font-size: 14px;
                            background-image: url(../../img/one.png);
                            background-size: 14px;
                            background-repeat: no-repeat;
                            background-position: 14% 50%;
                        }
                    }
                }
            }
            .body-two{
                display: none;
                width: 100%;
                .container-two{
                    position: relative;
                    width: 90%;
                    margin: 0 auto;
                    display: flex;
                    flex-wrap: wrap;
                    @media (max-width: 475px) {
                        width: 100%;
                    }
                    .two-item{
                        margin: 30px 0;
                        display: flex;
                        width: 100%;
                        height: 180px;
                        @media (max-width: 475px) {
                            height: 120px;
                            margin: 10px 0;
                        }
                        .two-left{
                            width: 40%;
                            height: 100%;
                            img{
                                width: 100%;
                                height: 100%;
                            }
                        }
                        .two-right{
                            @media (max-width: 475px) {
                                height: 100px;
                                top: 3.2%;
                                font-size: 14px;
                            }
                            padding: 10px;
                            position: absolute;
                            left: 38%;
                            top: 4.2%;
                            background-color: #fff;
                            display: flex;
                            flex-wrap: wrap;
                            width: 56%;
                            font-size: 20px;
                            height: 160px;
                            background-image: url(../../img/bgimg.png);
                            background-repeat: no-repeat;
                            background-position: 110% -120%;
                            background-size: 200px;
                            box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
                            p{
                                display: block;
                                width: 100%;
                            }
                            span{
                                text-indent: 2em;
                                font-size: 14px;
                                background-repeat: no-repeat;
                                background-position: 10% 10%;
                                background-size: 14px;
                                background-image: url(../../img/11.png);
                            }
                        }
                        .two-right1{
                            @media (max-width: 475px) {
                                height: 100px;
                                top: 28.2%;
                                font-size: 14px;
                            }
                            padding: 10px;
                            position: absolute;
                            top: 29.2%;
                            left: 38%;
                            background-color: #fff;
                            display: flex;
                            flex-wrap: wrap;
                            width: 56%;
                            font-size: 20px;
                            height: 160px;
                            background-image: url(../../img/bgimg.png);
                            background-repeat: no-repeat;
                            background-position: 110% -120%;
                            background-size: 200px;
                            box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
                            p{
                                display: block;
                                width: 100%;
                                @media (max-width: 475px) {
                                    display: none;
                                }
                            }
                            .none{
                                display: none;
                                @media (max-width: 475px) {
                                    display: block;
                                }
                            }
                            span{
                                text-indent: 2em;
                                font-size: 14px;
                                background-repeat: no-repeat;
                                background-position: 10% 10%;
                                background-size: 14px;
                                background-image: url(../../img/11.png);
                            }
                        }
                        .two-right2{
                            @media (max-width: 475px) {
                                height: 100px;
                                top: 53.2%;
                                font-size: 14px;
                            }
                            padding: 10px;
                            position: absolute;
                            top: 54.2%;
                            left: 38%;
                            background-color: #fff;
                            display: flex;
                            flex-wrap: wrap;
                            width: 56%;
                            font-size: 20px;
                            height: 160px;
                            background-image: url(../../img/bgimg.png);
                            background-repeat: no-repeat;
                            background-position: 110% -120%;
                            background-size: 200px;
                            box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
                            p{
                                display: block;
                                width: 100%;
                            }
                            span{
                                text-indent: 2em;
                                font-size: 14px;
                                background-repeat: no-repeat;
                                background-position: 10% 10%;
                                background-size: 14px;
                                background-image: url(../../img/11.png);
                            }
                        }
                        .two-right3{
                            @media (max-width: 475px) {
                                height: 100px;
                                top: 78.2%;
                                font-size: 14px;
                            }
                            padding: 10px;
                            position: absolute;
                            top: 79.2%;
                            left: 38%;
                            background-color: #fff;
                            display: flex;
                            flex-wrap: wrap;
                            width: 56%;
                            font-size: 20px;
                            height: 160px;
                            background-image: url(../../img/bgimg.png);
                            background-repeat: no-repeat;
                            background-position: 110% -120%;
                            background-size: 200px;
                            box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
                            p{
                                display: block;
                                width: 100%;
                            }
                            span{
                                text-indent: 2em;
                                font-size: 14px;
                                background-repeat: no-repeat;
                                background-position: 10% 10%;
                                background-size: 14px;
                                background-image: url(../../img/11.png);
                            }
                        }
                    }
                }
            }
            .body-three{
                display: none;
                width: 100%;
                .container-three{
                    display: flex;
                    flex-wrap: wrap;
                    justify-content: space-between;
                    width: 90%;
                    margin: 0 auto;
                    @media (max-width: 475px) {
                        height: 1200px;
                    }
                    .three-item{
                        @media (max-width: 475px) {
                            width: 90%;
                            margin: 10px auto;
                            background: none;
                            height: 280px;
                        }
                        width: 49%;
                        display: flex;
                        flex-wrap: wrap;
                        background-image: url(../../img/bgimg.png);
                        background-repeat: no-repeat;
                        background-position: 110% 130%;
                        background-size: 140px;
                        box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
                        .three-img{
                            width: 100%;
                            height: 220px;
                            @media (max-width: 475px) {
                                height: 160px;
                                margin: 0;
                            }
                            margin-bottom: 20px;
                            img{
                                width: 100%;
                                height: 100%;
                            }
                        }
                        .three-text{
                            width: 94%;
                            margin: 0 auto;
                        }
                        hr{
                            @media (max-width: 475px) {
                                height: 1px;
                                margin: 0 auto;
                            }
                            margin: 10px auto;
                            width: 90%;
                        }
                        .three-footer{
                            width: 94%;
                            margin: 0 auto;
                            text-align: right;
                            font-size: 12px;
                            background-image: url(../../img/11.png);
                            background-repeat: no-repeat;
                            background-position: 82% 50%;
                            @media (max-width: 475px) {
                                background-position: 72% 10%;
                            }
                        }
                    }
                }
            }
            .a{
                margin-top: 180px;
                display: block;
                width: 100%;
                text-align: center;
                color: #ccc;
                background-image: url(../../img/right.png);
                background-repeat: no-repeat;
                background-position: right 46% bottom 60%;
                background-size: 30px;
                @media (max-width: 475px) {
                    margin: 20px 0;
                    display: block;
                    text-align: left;
                    text-indent: 8em;
                    background-position: right 40% bottom 60%;
                }
            }
        }
    }
}

.commer-footer{
    width: 100%;
    background-color: #c90000;
    .container{
        width: 80%;
        margin: 0 auto;
        .footer-top{
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            width: 100%;
            height: 110px;
            padding: 20px 0;
            @media (max-width: 475px) {
                height: 400px;
                
            }
            .footer-logo{
                @media (max-width: 475px) {
                    width: 100%;
                    height: 100px;
                }
                width: 20%;
                height: 100%;
                display: flex;
                align-items: center;
                img{
                    width: 100%;
                }
            }
            .footer-text{
                @media (max-width: 475px) {
                    width: 100%;
                    height: 100px;
                    border: none;
                    line-height: 30px;
                }
                border-left: 1px solid #fff;
                width: 50%;
                height: 70px;
                line-height: 70px;
                color: #fff;
                font-size: 12px;
                display: flex;
                flex-wrap: wrap;
                span{
                    @media (max-width: 475px) {
                        width: 100%;
                        text-align: center;
                    }
                    display: block;
                    width: 50%;
                    text-align: center;
                }
            }
            .footer-ewm{
                @media (max-width: 475px) {
                    width: 100%;
                    height: 100px;
                    text-align: center;
                }
                width: 20%;
                height: 100%;
                img{
                    width: 30%;
                    height: 100%;
                }
                .none{
                    display: none;
                    @media (max-width: 475px) {
                        display: block;
                        width: 100%;
                        color: #fff;
                    }
                }
            }
        }
        
    }
    .footer-bottom{
        width: 100%;
        color: #fff;
        text-align: center;
        font-size: 12px;
        line-height: 30px;
        background-color: rgba($color: #000000, $alpha: 0.4);
    }
}